chore: improve error message

Author: subframe7536

README.md

@@ -189,7 +189,7 @@ If you are using MacOS, press <kbd>Command + Q</kbd> first, then restart VSCode.
 
 There are [guide](https://github.com/subframe7536/vscode-custom-ui-style/issues/1#issuecomment-2423660217) and [video](https://github.com/subframe7536/vscode-custom-ui-style/issues/2#issuecomment-2432225106) (MacOS) of the process.
 
-### EROFS
+### EROFS: read-only file system
 
 This extension need to modify VSCode's source code but VSCode runs on read-only filesystem (snap, AppImage...). Maybe you need to choose another way to install VSCode.
 

src/utils.ts

@@ -107,7 +107,7 @@ export async function runAndRestart(message: string, fullRestart: boolean, actio
 
 export function logError(message: string, error?: unknown) {
   if (error instanceof Error) {
-    const msg = `${message}, ${error.message}`
+    const msg = `${message}, ${error}`
     log.error(msg)
     showMessage(msg)
   } else if (error) {